Oval Shape 1.69 Ct. Natural Violetish Blue Tanzanite Gemstone From Tanzania
Price: $140.83
Product ID: 807009074
Product Name: Tanzanite
Price : $140.83
Weight: 1.69
Jewelry Size: 8.4 x 6.6 x 4.1 Mm
Shape: Oval
Color: Violetish Blue
Clarity: VVS
Luster: Good
Origin: Tanzania
Treatment: Heated
Crystal Structure: Orthorhombic
Hardness: 6 - 7
Specific Gravity: 3.2 - 3.4
Refractive Index: 1.69 - 1.70
Chemical: Ca2Al3(SiO4)3(OH), Calcium Aluminum
